Water moving. 



Water moving. 



Water moving. 



Water moving. 



\\'ater moving. 



-••'#> 



Water still, head close to surface. Teacups on 

 bottom retlected against lower side of surface. 



Fig, 30. AS THE FISH SEES THE ANGLER, AUTHOR AT END OF TANK 



PHOTOGRAPHED FRO-M THE POSITION OF THE FISH UNDER 



THE WATER 



